/**
 * Copyright 2011 Honeywell Federal Manufacturing & Technologies, LLC. This material was produced under U.S. Government
 * contract DE-ACO4-01AL66850, Honeywell Federal Manufacturing & Technologies, LLC, (FM&T) with the U. S. Department of
 * Energy for the operation of the Kansas City Plant . The U.S. Government has rights to use, reproduce, and distribute
 * this software.  NEITHER THE GOVERNMENT NOR Honeywell Federal Manufacturing & Technologies, LLC, MAKES ANY WARRANTY,
 * EXPRESS OR IMPLIED, OR ASSUMES ANY LIABILITY FOR THE USE OF THIS SOFTWARE.  If software is modified to produce
 * derivative works, such modified software should be clearly marked, so as not to confuse it with the version available
 * from FM&T.
 *
 * Additionally, this program is free software; you can redistribute it and/or modify it under the terms of the GNU
 * General Public License Version 3 published by the Free Software Foundation. Accordingly, this program is distributed in
 * the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this library.
 * If not, see http://www.gnu.org/licenses/.
 */
package org.braintrain.tapestry.view.components;

import org.apache.tapestry.*;
import org.apache.tapestry.annotations.InjectScript;
import org.apache.tapestry.annotations.Parameter;

import java.util.HashMap;
import java.util.Map;

/**
 * @author John Ericksen
 */
public abstract class SelectableDiv extends AbstractComponent {

    @InjectScript("script/selection.script")
    public abstract IScript getScript();

    @Parameter(required=false, defaultValue = "'selectableElement'")
    public abstract String getStyleClass();
    public abstract void setStyleClass(String styleClass);

    @Parameter(required=false, defaultValue = "null")
    public abstract String getValue();
    public abstract void setValue(String value);

    @Parameter(required=false, defaultValue = "null")
    public abstract String getCallback();
    public abstract void setCallback(String callback);

    @Parameter(required=false, defaultValue = "false")
    public abstract boolean isDisabled();
    public abstract void setDisabled(boolean disabled);

    private static final String DIVISION_ID = "selectionId";
    private static final String VALUE = "value";
    private static final String CALLBACK = "callback";

    protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle) {
        PageRenderSupport body = TapestryUtils.getOptionalPageRenderSupport(cycle);

        if(!cycle.isRewinding() && !isDisabled() && getCallback() != null){
            Map<String, Object> symbols = new HashMap<String, Object>();

            symbols.put(DIVISION_ID, getClientId());
            symbols.put(VALUE, getValue());
            symbols.put(CALLBACK, getCallback());

            getScript().execute(this, cycle, body, symbols);
        }

        writer.begin("div");
        writer.attribute("id", getClientId());
        writer.attribute("class", getStyleClass());

        renderBody(writer, cycle);
        
        writer.end();
    }

}
